Portable spa filter housing



FIG. 1 is a perspective view of a portable spa filter housing of the invention, showing the filter housing residing within a portable spa;

FIG. 2 is a perspective view of the portable spa filter housing;

FIG. 3 is a front view of the portable spa filter housing;

FIG. 4 is a top view of the portable spa filter housing;

FIG. 5 is a side view of the portable spa filter housing;

FIG. 6 is a rear view of the portable spa filter housing;

FIG. 7 is a bottom view of the portable spa filter housing; and,

FIG. 8 is a cross-sectional view of the portable spa filter housing taken along line 8—8 of FIG. 2.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design. 

I claim the ornamental design for a portable spa filter housing, as shown and described. 